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Natalka [10]
3 years ago
7

What are the solutions of the equation c​

Mathematics
1 answer:
kondaur [170]3 years ago
5 0

Answer:

Be more detailed, BC i can only give you a general answer a^2 + b^2 = c^2

Step-by-step explanation:

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A contractor combined x tons of a gravel mixture that contained 10 percent gravel G, by weight, with y tons of a mixture that co
White raven [17]

Answer:

The value of x would be \frac{3}{5}y or \frac{3}{8}z

Step-by-step explanation:

Given,

x tons of 10% gravel G mixture is mixed with y ton of 2% gravel G to obtain  5% gravel mixture,

Thus, gravel G in x ton + gravel in y ton = gravel G in the resultant mixture,          

⇒ 0.1x + 0.02y = 0.05(x+y),

0.1x - 0.05x = 0.05y - 0.02y

0.05x = 0.03y

\implies x = \frac{0.03}{0.05}y=\frac{3}{5}y----(1)

Now, resultant mixture is z ton,

i.e. z=x+y

\implies y = z - x

From equation (1),

x=\frac{3}{5}(z-x) = \frac{3}{5}z-\frac{3}{5}x

x+\frac{3}{5}x=\frac{3}{5}z

\frac{8}{5}x=\frac{3}{5}z

x=\frac{3}{8}z

3 0
3 years ago
What is the solution of the system of equations? y = –3x + 8 y = –5x – 2
jekas [21]
y=-3x+8 \\ y=-5x-2 \\  \\ -3x+8=-5x-2 \\ -3x+5x=-2-8 \\ 2x=-10 \\ x=- \frac{10}{2}  \\ x=-5 \\ y=-3(-5)+8=15+8=23  \\ \\ \boxed{-5,23}
6 0
2 years ago
Read 2 more answers
What is the median of the following string of values?
Luba_88 [7]
The median is 52, so the answer would be B.
4 0
3 years ago
Read 2 more answers
? : 14 = 5 : 2 please solve this question- thank you!
babymother [125]

x/14 = 5/2

using cross product

2x =14*5

divide by 2

x = 14*5/2

x =35

5 0
3 years ago
A new park was designed to contain two circular gardens. Garden A has a diameter of 50 meters and Garden B has a diameter of 70
rjkz [21]

Answer:

about 78.539 meters. smallest diameter = 50. plug that into the equation C = πd

Step-by-step explanation:

8 0
2 years ago
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